The ultimate source of energy in an ecosystem is the a. consumer
b. producer
c. sun
d. decomposer

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from